APPARATUS AND METHOD FOR FEEDBACK CHANNEL STATE INFORMATION IN A WIRELESS COMMUNICATION SYSTEM

摘要

The present invention relates to a pre-5G or 5G communication system to be provided for supporting higher data rates after a 4G communication system such as LTE. Embodiments of the present invention provide a device for channel information feedback from a first device to a second device in a wireless communication system such as a WLAN and a method thereof. According to an embodiment of the present invention, a method for operating a first device comprises the following processes of: transmitting channel estimate request information with respect to at least one second device for feedback of channel information; and receiving the channel information from the second device.